High-resolution acoustic imaging at low frequencies using 3D-printed metamaterials

An acoustic metamaterial has been constructed using 3D printing. It contained an array of air-filled channels, whose size and shape could be varied within the design and manufacture process. In this paper we analyze both numerically and experimentally the properties of this polymer metamaterial stru...

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Bibliographic Details
Published in:AIP advances 2016-12, Vol.6 (12), p.121701-121701-9
Main Authors: Laureti, S., Hutchins, D. A., Davis, L. A. J., Leigh, S. J., Ricci, M.
Format: Article
Language:English
Subjects:
Acoustic imaging
Image resolution
Metamaterials
Three dimensional printing
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Summary:An acoustic metamaterial has been constructed using 3D printing. It contained an array of air-filled channels, whose size and shape could be varied within the design and manufacture process. In this paper we analyze both numerically and experimentally the properties of this polymer metamaterial structure, and demonstrate its use for the imaging of a sample with sub-wavelength dimensions in the audible frequency range.
ISSN:2158-3226
2158-3226
DOI:10.1063/1.4968606